doctor: fix rubocop warnings

lib/bundler/cli/doctor.rb

@@ -15,22 +15,22 @@ def initialize(options)
 
     def dylibs_darwin(path)
       output = `/usr/bin/otool -L "#{path}"`.chomp
-      dylibs = output.split("\n")[1..-1].map {|l| l.match(DARWIN_REGEX).captures[0]}.uniq
+      dylibs = output.split("\n")[1..-1].map {|l| l.match(DARWIN_REGEX).captures[0] }.uniq
       # ignore @rpath and friends
-      dylibs.reject {|dylib| dylib.start_with? "@"}
+      dylibs.reject {|dylib| dylib.start_with? "@" }
     end
 
     def dylibs_ldd(path)
       output = `/usr/bin/ldd "#{path}"`.chomp
-      output.split("\n").map {|l|
+      output.split("\n").map do |l|
         match = l.match(LDD_REGEX)
         next if match.nil?
         match.captures[0]
-      }.compact
+      end.compact
     end
 
     def dylibs(path)
-      case RbConfig::CONFIG['host_os']
+      case RbConfig::CONFIG["host_os"]
       when /darwin/
         dylibs_darwin(path)
       when /(linux|solaris|bsd)/
@@ -63,7 +63,7 @@ def run
 
       definition.specs.each do |spec|
         bundles_for_gem(spec).each do |bundle|
-          bad_paths = dylibs(bundle).select {|f| !File.exist?(f)}
+          bad_paths = dylibs(bundle).select {|f| !File.exist?(f) }
           if bad_paths.any?
             broken_links[spec] ||= []
             broken_links[spec].concat(bad_paths)

spec/commands/doctor_spec.rb

@@ -14,7 +14,6 @@
         @stdout.puts message
       end
     end
-
   end
 
   it "exits with no message if the installed gem has no C extensions" do